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Krennerite & Jordanite

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JYJ714887

Krennerite & Jordanite

Description Tabs

Description
Locality: 
Săcărâmb, Deva, Hunedoara County, Romania
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.5 × 1.75 cm
Description

SEM-EDS confirmed yellow metallic krennerite on a matrix of quartz and sphalerite. Specimen was initially labelled as sylvanite and is dated to 1972. The black crystals close to the sylvanite are jordanite.

Specimen has the number 2019-03-31-13, analysis attached in the corresponding section.

Mineral Data
What's on the rock

Krennerite

Formula: 
(Au,Ag)Te2
Strunz: 
2.EA.15
Hardness: 
2.0 - 3.0
Type Locality: 
Sacarîmb (Sãcãrâmb; Szekerembe; Nagyág), Deva, Hunedoara Co., Romania

Jordanite

Formula: 
Pb14(As,Sb)6S23
Strunz: 
2.JB.30a
Hardness: 
3.0
Streak: 
Black
Type Locality: 
Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn Valley, Wallis (Valais), Switzerland
Analysis
Analysis Report - only: Krennerite & Jordanite
Analysis Report - only: Krennerite & Jordanite
Labels
Label Images - only: Krennerite & Jordanite